using System;
using System.Collections.Generic;
using Roslyn.Utilities;

namespace Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

internal sealed class NameMemberCrefSyntax : MemberCrefSyntax
{
	internal readonly TypeSyntax name;

	internal readonly CrefParameterListSyntax? parameters;

	public TypeSyntax Name => name;

	public CrefParameterListSyntax? Parameters => parameters;

	internal NameMemberCrefSyntax(SyntaxKind kind, TypeSyntax name, CrefParameterListSyntax? parameters, DiagnosticInfo[]? diagnostics, SyntaxAnnotation[]? annotations)
		: base(kind, diagnostics, annotations)
	{
		((GreenNode)this).SlotCount = 2;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)name);
		this.name = name;
		if (parameters != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)parameters);
			this.parameters = parameters;
		}
	}

	internal NameMemberCrefSyntax(SyntaxKind kind, TypeSyntax name, CrefParameterListSyntax? parameters, SyntaxFactoryContext context)
		: base(kind)
	{
		SetFactoryContext(context);
		((GreenNode)this).SlotCount = 2;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)name);
		this.name = name;
		if (parameters != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)parameters);
			this.parameters = parameters;
		}
	}

	internal NameMemberCrefSyntax(SyntaxKind kind, TypeSyntax name, CrefParameterListSyntax? parameters)
		: base(kind)
	{
		((GreenNode)this).SlotCount = 2;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)name);
		this.name = name;
		if (parameters != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)parameters);
			this.parameters = parameters;
		}
	}

	internal override GreenNode? GetSlot(int index)
	{
		return (GreenNode?)(index switch
		{
			0 => name, 
			1 => parameters, 
			_ => null, 
		});
	}

	internal override SyntaxNode CreateRed(SyntaxNode? parent, int position)
	{
		return (SyntaxNode)(object)new Microsoft.CodeAnalysis.CSharp.Syntax.NameMemberCrefSyntax(this, parent, position);
	}

	public override void Accept(CSharpSyntaxVisitor visitor)
	{
		visitor.VisitNameMemberCref(this);
	}

	public override TResult Accept<TResult>(CSharpSyntaxVisitor<TResult> visitor)
	{
		return visitor.VisitNameMemberCref(this);
	}

	public NameMemberCrefSyntax Update(TypeSyntax name, CrefParameterListSyntax parameters)
	{
		if (name != Name || parameters != Parameters)
		{
			NameMemberCrefSyntax nameMemberCrefSyntax = SyntaxFactory.NameMemberCref(name, parameters);
			DiagnosticInfo[] diagnostics = ((GreenNode)this).GetDiagnostics();
			if (diagnostics != null && diagnostics.Length != 0)
			{
				nameMemberCrefSyntax = GreenNodeExtensions.WithDiagnosticsGreen<NameMemberCrefSyntax>(nameMemberCrefSyntax, diagnostics);
			}
			SyntaxAnnotation[] annotations = ((GreenNode)this).GetAnnotations();
			if (annotations != null && annotations.Length != 0)
			{
				nameMemberCrefSyntax = GreenNodeExtensions.WithAnnotationsGreen<NameMemberCrefSyntax>(nameMemberCrefSyntax, (IEnumerable<SyntaxAnnotation>)annotations);
			}
			return nameMemberCrefSyntax;
		}
		return this;
	}

	internal override GreenNode SetDiagnostics(DiagnosticInfo[]? diagnostics)
	{
		return (GreenNode)(object)new NameMemberCrefSyntax(base.Kind, name, parameters, diagnostics, ((GreenNode)this).GetAnnotations());
	}

	internal override GreenNode SetAnnotations(SyntaxAnnotation[]? annotations)
	{
		return (GreenNode)(object)new NameMemberCrefSyntax(base.Kind, name, parameters, ((GreenNode)this).GetDiagnostics(), annotations);
	}

	internal NameMemberCrefSyntax(ObjectReader reader)
		: base(reader)
	{
		((GreenNode)this).SlotCount = 2;
		TypeSyntax typeSyntax = (TypeSyntax)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)typeSyntax);
		name = typeSyntax;
		CrefParameterListSyntax crefParameterListSyntax = (CrefParameterListSyntax)reader.ReadValue();
		if (crefParameterListSyntax != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)crefParameterListSyntax);
			parameters = crefParameterListSyntax;
		}
	}

	internal override void WriteTo(ObjectWriter writer)
	{
		((GreenNode)this).WriteTo(writer);
		writer.WriteValue((IObjectWritable)(object)name);
		writer.WriteValue((IObjectWritable)(object)parameters);
	}

	static NameMemberCrefSyntax()
	{
		ObjectBinder.RegisterTypeReader(typeof(NameMemberCrefSyntax), (Func<ObjectReader, IObjectWritable>)((ObjectReader r) => (IObjectWritable)(object)new NameMemberCrefSyntax(r)));
	}
}